26964-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26964-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,9,6 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 26964-20:
(7*2)+(6*6)+(5*9)+(4*6)+(3*4)+(2*2)+(1*0)=135
135 % 10 = 5
So 26964-20-5 is a valid CAS Registry Number.